Home / 4,921.92-6,781.95-3,347.28

Finding the Fourth Proportional to 4,921.92, 6,781.95 and 3,347.28

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Solution

The fourth proportional to 4,921.92, 6,781.95 and 3,347.28 is: 4,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.92 : 6,781.95 = 3,347.28 : x
  2. Step 2: Convert to fraction form
    4,921.92/6,781.95 = 3,347.28/x
  3. Step 3: Cross multiply
    4,921.92x = 6,781.95 × 3,347.28
  4. Step 4: Simplify right side
    4,921.92x = 22,701,085.60
  5. Step 5: Solve for x
    x = 22,701,085.60/4,921.92
  6. Step 6: Final answer
    x = 4,612.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.